package com.qk.interceptor;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
@Component
public class DemoInterceptor implements HandlerInterceptor {
    //目标资源方法(controller方法)运行之前，----->true放行，false拦截
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("DemoInterceptor...preHandle...");
        return true;
    }
    //目标资源方法(controller方法)运行之后，
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("DemoInterceptor...postHandle...");
    }
    //最后运行
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("DemoInterceptor...afterCompletion...");
    }
}
